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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Cold outbreak in Sweden and 17 other countries, 23 April to 16 May 2023

Cold outbreak in Sweden and 17 other countries, 23 April to 16 May 2023: 368 records at 238 stations, peak on 6 May 2023. Closed.

Data as of . Last revised (2026-10-17).

Key Facts

  • Cold outbreak in Sweden and 17 other countries, 23 April to 16 May 2023 set or tied 368 station records at 238 stations.
  • It ran from 23 April 2023 to 16 May 2023 (24 days) and its peak day was 6 May 2023.
  • Status: closed.
  • Tartu-Toravere set a daily record low minimum temperature of -5.2 C (22.6 F) on 6 May 2023.
  • The busiest day was 6 May 2023 with 59 records.
  • The oldest broken record in the ranked list had stood for 122 years.

Footprint

23 April to 16 May 2023
Footprint of Cold outbreak in Sweden and 17 other countries, 23 April to 16 May 2023 The area covered by Cold outbreak in Sweden and 17 other countries, 23 April to 16 May 2023 is outlined, with 16 of the stations that set records marked, coloured by record type.
The area covered by Cold outbreak in Sweden and 17 other countries, 23 April to 16 May 2023 is outlined, with 16 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Cold outbreak in Sweden and 17 other countries, 23 April to 16 May 2023: stations that set records in the event
StationTypeValueDate
Tartu-ToravereRecord low minimum temperature-5.2 C (22.6 F)2023-05-06
TihvinRecord low maximum temperature2.5 C (36.5 F)2023-05-05
FalunRecord low minimum temperature-4.2 C (24.4 F)2023-05-05
MinskRecord low minimum temperature-1.4 C (29.5 F)2023-05-07
VasileviciRecord low minimum temperature-1.4 C (29.5 F)2023-05-11
SzczecinRecord low minimum temperature-1.3 C (29.7 F)2023-05-01
HolmRecord low minimum temperature-6.3 C (20.7 F)2023-05-08
Tot-MaRecord low maximum temperature0.9 C (33.6 F)2023-05-06
Trondheim - VollRecord low maximum temperature1.6 C (34.9 F)2023-04-25
VoruRecord low minimum temperature-4.0 C (24.8 F)2023-05-06
TromsoRecord low minimum temperature-5.7 C (21.7 F)2023-05-03
ParnuRecord low maximum temperature5.4 C (41.7 F)2023-05-05
SodertaljeRecord low minimum temperature-4.2 C (24.4 F)2023-05-06
Velikie LukiRecord low minimum temperature-4.1 C (24.6 F)2023-05-08
Karlstad-AirportRecord low minimum temperature-3.3 C (26.1 F)2023-05-08
GavarRecord low maximum temperature8.0 C (46.4 F)2023-05-15

Records per Day

Peak day 59
Records per day during Cold outbreak in Sweden and 17 other countries, 23 April to 16 May 2023 Records set or tied each day from 23 April 2023 to 16 May 2023. The most in one day was 59 on 6 May 2023. 0 15 30 45 60 04-2304-2604-2905-0205-0505-0805-1105-14
Records set or tied each day from 23 April 2023 to 16 May 2023. The most in one day was 59 on 6 May 2023.
Records per day during Cold outbreak in Sweden and 17 other countries, 23 April to 16 May 2023
DateRecords
2023-04-233
2023-04-2420
2023-04-2514
2023-04-2622
2023-04-275
2023-04-284
2023-04-291
2023-04-302
2023-05-015
2023-05-022
2023-05-0310
2023-05-0433
2023-05-0553
2023-05-0659
2023-05-0750
2023-05-0829
2023-05-0921
2023-05-108
2023-05-1110
2023-05-127
2023-05-132
2023-05-143
2023-05-154
2023-05-161

Top Records by Margin

Margin over the record replaced
Top records of Cold outbreak in Sweden and 17 other countries, 23 April to 16 May 2023 ranked by margin
Tihvin, 05-054.1 C (7.4 F)
Holm, 05-084.1 C (7.4 F)
Sodertalje, 05-062.4 C (4.3 F)
Tartu-Toravere, 05-061.8 C (3.2 F)
Trondheim - Voll, 04-271.7 C (3.1 F)
Trondheim - Voll, 04-251.4 C (2.5 F)
Szczecin, 05-011.3 C (2.3 F)
Holm, 05-050.6 C (1.1 F)
Velikie Luki, 05-080.6 C (1.1 F)
Gavar, 05-150.5 C (0.9 F)
Minsk, 05-070.4 C (0.7 F)
Trondheim - Voll, 04-240.4 C (0.7 F)
Karlstad-Airport, 05-080.4 C (0.7 F)
Vasilevici, 05-110.3 C (0.5 F)
Tot-Ma, 05-060.3 C (0.5 F)

Margin is how far the new value is beyond the record it replaced. Ties are not shown.

Margin Against Age of the Broken Record

Margin against age of the broken record in Cold outbreak in Sweden and 17 other countries, 23 April to 16 May 2023 368 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right. 0 38 75 113 150 0.01.32.53.85.0 Margin (C) Years the old record stood
368 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right.
Margin against age of the broken record in Cold outbreak in Sweden and 17 other countries, 23 April to 16 May 2023
Margin (C)Years the old record stood
1.8121
0.4105
0.3122
4.184
0.2113
1.388
4.169
0.389
0.284
1.482
0.657
0.280
0.180
0.482
2.464
0.576
1.766
0.670
0.478
0.374
0.669
0.964
2.461
2.362
2.169
0.248
1.170
2.556
4.048
0.868
1.469
1.870
1.264
1.269
0.470
0.669
2.856
2.264
0.270
1.164
0.572
1.157
1.752
0.369
2.257
1.562
3.444
1.157
0.564
0.664
0.169
0.660
2.042
3.934
1.223
1.148
0.856
0.957
1.062
0.260
2.152
4.036
0.448
1.656
1.150
0.557
0.460
0.657
1.746
0.553
0.157
3.536
0.952
1.452
1.844
0.157
0.553
1.650
0.156
0.752
0.256
1.252
1.742
4.522
2.936
3.125
0.226
0.456
1.250
1.152
3.533
1.046
0.748
0.153
0.656
0.352
0.852
0.353
1.148
0.252
0.452
0.752
0.944
1.048
0.848
0.548
0.648
0.941
1.144
0.548
0.144
0.744
1.542
0.749
0.546
4.421
0.452
0.452
2.128
0.744
0.844
0.146
0.148
0.548
0.248
0.148
0.248
0.248
0.745
0.641
2.633
0.348
0.348
0.536
1.336
0.144
0.341
0.336
0.544
0.436
0.348
0.544
0.341
0.341
0.641
1.120
1.536
2.228
1.532
0.149
0.348
0.344
0.344
0.824
0.541
0.544
0.144
2.020
1.924
3.230
0.544
1.826
1.724
0.436
0.932
0.137
1.332
0.540
0.736
0.236
0.40
1.514
1.324
3.114
2.04
1.024
1.432
1.032
1.530
0.336
1.522
1.822
1.822
1.136
0.436
0.733
0.637
1.333
0.120
0.336
0.336
2.124
0.625
1.524
0.232
0.432
0.929
0.532
0.728
0.30

Compared With Other Events

Station records per event
Station records in Cold outbreak in Sweden and 17 other countries, 23 April to 16 May 2023 compared with similar events
Cold outbreak in United States and Mexico, 6 February to 5 March 202112,118 records
Cold outbreak in United States and Mexico, 13 October to 5 November 20209,841 records
Cold outbreak in United States and Mexico, 23 December 2017 to 8 January 20188,263 records
Cold outbreak in United States and Mexico, 3 to 23 January 20247,675 records
Cold outbreak in United States, 15 January to 10 February 20265,568 records
Cold outbreak in Sweden and 17 other countries, 23 April to 16 May 2023 (this event)368 records

Every Record Set

20 of 368
Every record set or tied during Cold outbreak in Sweden and 17 other countries, 23 April to 16 May 2023, in date order
DateStationRecordValueMarginYears stoodSignificance
2023-04-24Trondheim - VollRecord low maximum temperature3.6 C (38.5 F)0.4 C (0.7 F)8233 of 100 (Routine)
2023-04-25Trondheim - VollRecord low maximum temperature1.6 C (34.9 F)1.4 C (2.5 F)8235 of 100 (Notable)
2023-04-27Trondheim - VollRecord low maximum temperature2.8 C (37.0 F)1.7 C (3.1 F)6632 of 100 (Routine)
2023-05-01SzczecinRecord low minimum temperature-1.3 C (29.7 F)1.3 C (2.3 F)8838 of 100 (Notable)
2023-05-03TromsoRecord low minimum temperature-5.7 C (21.7 F)0.1 C (0.2 F)8034 of 100 (Routine)
2023-05-05TihvinRecord low maximum temperature2.5 C (36.5 F)4.1 C (7.4 F)8440 of 100 (Notable)
2023-05-05FalunRecord low minimum temperature-4.2 C (24.4 F)0.2 C (0.4 F)11340 of 100 (Notable)
2023-05-05HolmRecord low minimum temperature-6.7 C (19.9 F)0.6 C (1.1 F)5735 of 100 (Notable)
2023-05-05ParnuRecord low maximum temperature5.4 C (41.7 F)0.2 C (0.4 F)8034 of 100 (Routine)
2023-05-06Tartu-ToravereRecord low minimum temperature-5.2 C (22.6 F)1.8 C (3.2 F)12144 of 100 (Notable)
2023-05-06Tot-MaRecord low maximum temperature0.9 C (33.6 F)0.3 C (0.5 F)8936 of 100 (Notable)
2023-05-06VoruRecord low minimum temperature-4.0 C (24.8 F)0.2 C (0.4 F)8435 of 100 (Notable)
2023-05-06SodertaljeRecord low minimum temperature-4.2 C (24.4 F)2.4 C (4.3 F)6433 of 100 (Routine)
2023-05-07MinskRecord low minimum temperature-1.4 C (29.5 F)0.4 C (0.7 F)10540 of 100 (Notable)
2023-05-08HolmRecord low minimum temperature-6.3 C (20.7 F)4.1 C (7.4 F)6936 of 100 (Notable)
2023-05-08Velikie LukiRecord low minimum temperature-4.1 C (24.6 F)0.6 C (1.1 F)7032 of 100 (Routine)
2023-05-08Karlstad-AirportRecord low minimum temperature-3.3 C (26.1 F)0.4 C (0.7 F)7832 of 100 (Routine)
2023-05-11VasileviciRecord low minimum temperature-1.4 C (29.5 F)0.3 C (0.5 F)12240 of 100 (Notable)
2023-05-14GavarRecord low maximum temperature8.5 C (47.3 F)0.3 C (0.5 F)7431 of 100 (Routine)
2023-05-15GavarRecord low maximum temperature8.0 C (46.4 F)0.5 C (0.9 F)7632 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 368 records the event counts. The counts above use the full total.

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Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.